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GENERAL DIMENSIONS
MMSI – Cable I/O (Female)
CONTACT CUSTOMER SERVICE
MMSI cable connectors are used in cable
applications where signal integrity is desired.
The connector interface controls the polarization
of the twinax contact style. Comes with a variety
of wiring and hardware options. All cable
connectors are available in custom lengths.
Sample Part Number Format: MMSI-01L-24B0-006-2810
MMSI
SERIES
Cable I/O
(Female)
1.78 mm
STYLE
21 – Female, Twinax
100Ω 24 AWG
24 – Female, Twinax
100Ω 30 AWG
SIZE & INTERFACE POLARIZATION*
01L – 1X Left (23 pins, 4 DP +9SB)
01R – 1X Right (23 pins, 4 DP +9SB)
04L – 4X Left (41 pins, 10 DP +9SB)
04R – 4X Right (41 pins, 10 DP +9SB)
08L – 8X Left (65 pins, 18 DP +9SB)
08R – 8X Right (65 pins, 18 DP +9SB)
WIRE LENGTH
1
Inches, 3 digits
Ex. 018 = 18 inches
HARDWARE
620 – Fixed jacknut
810 – Turning jackscrews;
captivated**
NXX – Keying jacknuts***
JXX – Keying jackscrews***
BODY PLATING, INTERNAL SOLDER
1 – Electroless nickel, SAC305
2 – Electroless nickel, Sn/Pb
5 – Gold, SAC305
6 – Gold, Sn/Pb
OVERALL****
0 – None
1 – Silver-plated braid
2 – Tin-plated braid
3 – Silver-plated braid, Halar® sleeving
4 – Tin-plated braid, Halar® sleeving
5 – Halar® sleeving (no braid)
High-Reliability
Contact
MIL-DTL-83513
SIDEBAND WIRES
(color code per MIL-STD-681)
A – 22759/11-24
B – 22759/11-26
C – 22759/11-28
D – 22759/33-24
E – 22759/33-26
F – 22759/33-28
G – 22759/33-30
H – NEMA HP3-EXBEB 24 AWG
J – NEMA HP3-EXBDB 26 AWG
K – NEMA HP3-EXBCB 28 AWG
L – NEMA HP3-EXBBB 30 AWG
PLEASE CONSULT THE AIRBORN WEBSITE FOR THE LATEST REVISION OF THIS DOCUMENT PRIOR TO BEGINNING ANY DESIGN WORK.
NOTES
1.
2.
*
**
***
****
Overall braid and/or Halar® will be 1.0 ± 0.5 inches shorter than specified wire length.
Minimum length without overall braid or Halar® is 3 inches. If overall braid or Halar® is
specified the minimum length is 6 inches.
All microSI females have fluorosilicone interfacial seals installed.
Option not RoHS-compliant
Left or right polarization is determined by looking at the male interface with the LONG
SIDE downward. Polarization matches the angled side. Sidebands are on the non-
angled side.
Captivated hardware is factory-installed and non-removable.
Factory-installed and non-removable.
Refer to “Keying Hardware Options” on page 61.
MATERIALS and FINISHES
Socket Contact:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Pin Contacts:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BeCu
alloy strip
Contact Finish:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gold plate, 50 µ” minimum
Shells:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Aluminum alloy 6061-T6
Shell Finishes:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electroless nickel or gold
Molded Insulators:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass-filled liquid crystal polymer (LCP)
Embedment:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frey Eng. Co. compound CF3003-80 & L-II-49
Hardware:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Corrosion-resistant
steel
Interfacial Seal Gaskets:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluorosilicone
EMI Gaskets:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Corrosion-resistant
steel
NOTE: AirBorn can manufacture special configurations to your exact specifications.
SIGNAL INTEGRITY PERFORMANCE (Connectors Only)
1
2
3
4
Diff. Impedance, filtered to 79 ps (20-80%)
Diff. Insertion Loss
Diff. Return Loss
Intra-Pair
100 ohm
10 GHz @ -3 dB
7.5 GHz @ -10 dB
< 2 ps
PERFORMANCE
Contact Rating:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 amperes maximum
Operating Temperature:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-55° C to 125° C
Maximum Working Voltage:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
200V, RMS, 60Hz
Insulation Resistance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5,000 megohms minimum @ 500 VDC
Durability:.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
500 connector mating cycles
Contact Engaging Force:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.0 ounces maximum/contact
Contact Separating Force:.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.5 ounces minimum/contact
Mating and Unmating Force:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 ounces maximum/contact
NOTE: Performance values are estimates at this time. Actual values will be determined when final
product testing is complete.
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